CN105740237B - A kind of student ability degree of reaching evaluation measure based on Similarity of Words - Google Patents
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Abstract
The invention discloses a kind of student ability degree of reaching based on Similarity of Words to evaluate measure, comprises the following steps：First by analyzing the coverage from examination examination question to requirements for graduation index point, the keyword of each examination paper and the corresponding graduation capacity index point of the course in paper is extracted respectively, forms keyword index list；Coverage factor of the examination content to its corresponding requirements for graduation index point is calculated in the semantic similarity calculation method for being then based on distance between vocabulary；Coverage factor and average achievement degree of reaching combined factors are obtained into the total factor of education activities degree of reaching again；Whether last set threshold value, judge index point are reached.Present invention employs mapping mechanism, realize mapping of the examination content to requirements for graduation index point, the ability that system is comprehensively reflected measurement reaches the composite factor of situation, can the relevant every factor of choosing comprehensively and student ability degree of reaching, fundamentally solve the problems of achievement analytic approach generally used now.
Description
Technical field
The present invention relates to a kind of student ability degree of reaching based on Similarity of Words to evaluate measure.
Background technology
In March, 2015, it is equivalent that the Ministry of Education releases international essence《Engineering Education Professional Certification Standards》, its core concept is
" output guiding " and " complex engineering problems " is directed toward.Engineering Education Professional Certification be operated in the whole nation respectively up to colleges and universities in high gear into
OK.
Existing Engineering Education Professional Certification scheme mostly using grade form analytic approach, Course Assessment achievement analytic approach and
The serial of methods such as questionnaire method, as shown in Figure 1, wherein Course Assessment achievement analytic approach only with average achievement as student
The measurement factor of ability degree of reaching, examination content is not set up and associated, react with the requirements for graduation index point for needing to examine
The coverage condition that examination content supports ability is not gone out.Obvious this scheme of achievement analytic approach is commented there is some evaluation loopholes
The reasonability of valency is difficult to be protected.Therefore the evaluation on student ability degree of reaching in Engineering Education Professional Certification need to be taken
One kind had not only considered student examination achievement, but also took into account the overall merit scheme for the coverage condition that examination content supports ability.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of scientific and reasonable, highly practical based on lexical semantic phase
Measure is evaluated like the student ability degree of reaching of degree.
Technical proposal that the invention solves the above-mentioned problems is：A kind of student ability degree of reaching based on Similarity of Words
Measure is evaluated, is comprised the following steps：
Step 1：Analysis examination examination question extracts in examination paper per problem the coverage of requirements for graduation index point respectively
The keyword of requirements for graduation index point corresponding to mesh and course corresponding with the examination paper, forms its respective keyword rope
Draw list；
Step 2：Keyword index list based on vocabulary spacing from metric calculation per pass exam question and each index point
Similarity, the similarity result for all examination paper and the index of adding up, takes smaller value by the result of gained compared with 1, that is, obtains
Coverage factor B of the examination paper to the index pointj；
Step 3：The education activities average achievement of all evaluation objects and the ratio of target achievement are calculated, it is A to make it, is obtained
Synthesis degree of reaching T to the education activities to index pointz=A × Bj；
Step 4：Weight coefficient matrix according to education activities to index point, by the weight corresponding to every subject and its
The product accumulation of coefficient, obtains degree of the reaching evaluation of estimate of the index point；
Step 5：Degree of the reaching evaluation of estimate threshold value of requirements for graduation index point is set, by the degree of reaching of the obtained index point
Evaluation of estimate is compared with threshold value, if degree of reaching evaluation of estimate is more than threshold value, then it is assumed that this requirements for graduation index point is reached, otherwise
Reach failure.
Above-mentioned student ability degree of the reaching evaluation measure based on Similarity of Words, the specific step of the step 2
Suddenly it is：
(1) per pass exam question and the similarity of the keyword index list of each index point are calculated；
The keyword index list M of exam question i in examination contentiSet of words is { Wi1, Wi2..., Win, graduation
It is required that the keyword index list S of index point jjSet of words is { Wj1, Wj2..., Wjm, thus obtain the similar of two lists
Spend matrix MiSjCalculation formula：
Wherein, Wi1Wj2For list MiMiddle word Wi1With list SjMiddle word Wj2Similarity, Wi1Wj2Calculation formula is as follows：
Wherein li, ljIt is Wi1Wj2Residing level respectively, Dis(Wi1, Wj2) distance between word, α is customized parameter,
0 ＜ α ＜ 1；
(2) maximal sequence value matrix maxM is calculatediSj；
Matrix M is taken firstiSjThe maximum MS of middle element1It is put into sequence maxMiSjIn, then by the row where this maximum
Deleted with row, form new matrix, maximum MS is further taken out in new matrix2It is placed on sequence maxMiSjIn MS1Afterwards, so
Circulation is sky up to matrix, obtains maximum value sequence maxMiSj：
naxMiSj={ MS1, MS2..., MSK}；
(3) list M is obtainedi, SjSimilarity, i.e. coverage factor Sim (Mi, Sj)；
Calculation formula is as follows：
Wherein len (Mi) it is list MiIn contained keyword number, len (Sj) it is list SjIn contained keyword
Number；
(4) by coverage factor Sim (Mi, Sj) and take smaller value compared with 1, this smaller value is examination content to finishing
Industry requires the coverage B of index pointj。
The beneficial effects of the present invention are：The present invention is first by analyzing from examination examination question covering to requirements for graduation index point
Cover degree, extracts the key for capacity index point of graduating in paper corresponding to each examination paper course corresponding with the examination paper respectively
Word, forms keyword index list, and examination content is calculated in the semantic similarity calculation method for being then based on distance between vocabulary
To the coverage factor of its corresponding requirements for graduation index point, finally by coverage factor and average achievement degree of reaching combined factors
Obtain the total factor of education activities degree of reaching；The present invention can the relevant every factor of choosing comprehensively and student ability degree of reaching,
The problems of achievement analytic approach generally used now is fundamentally solved, whole appraisement system employs mapping mechanism, realizes
Mapping of the examination content to requirements for graduation index point, the ability that system is comprehensively reflected measurement reach the composite factor of situation,
Scientific and reasonable, method is flexible, highly practical.
Brief description of the drawings
Fig. 1 is the flow chart of existing Engineering Education Professional Certification method.
Fig. 2 is the flow chart of the present invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Fig. 2, a kind of student ability degree of reaching evaluation measure based on Similarity of Words, including it is following
Step：
Step 1：Analysis examination examination question extracts in examination paper per problem the coverage of requirements for graduation index point respectively
The keyword of requirements for graduation index point corresponding to mesh and course corresponding with the examination paper, forms its respective keyword rope
Draw list.
Step 2：Keyword index list based on vocabulary spacing from metric calculation per pass exam question and each index point
Similarity, the similarity result for all examination paper and the index of adding up, takes smaller value by the result of gained compared with 1, that is, obtains
Coverage factor B of the examination paper to the index pointj。
Step 2 concretely comprises the following steps：
(1) per pass exam question and the similarity of the keyword index list of each index point are calculated；
The keyword index list M of exam question i in examination contentiSet of words is { Wi1, Wi2..., Win, graduation
It is required that the keyword index list S of index point jjSet of words is { Wj1, Wj2..., Wjm, thus obtain the similar of two lists
Spend matrix MiSjCalculation formula：
Wherein, Wi1Wj2For list MiMiddle word Wi1With list SjMiddle word Wj2Similarity, Wi1Wj2Calculation formula is as follows：
Wherein li, ljIt is Wi1Wj2Residing level respectively, Dis (Wi1, Wj2) distance between word, α is adjustable ginseng
Number, 0 ＜ α ＜ 1；
(2) maximal sequence value matrix maxM is calculatediSj；
Matrix M is taken firstiSjThe maximum MS of middle element1It is put into sequence maxMiSjIn, then by the row where this maximum
Deleted with row, form new matrix, maximum MS is further taken out in new matrix2It is placed on sequence maxMiSjIn MS1Afterwards, so
Circulation is sky up to matrix, obtains maximum value sequence maxMiSj：
naxMiSj={ MS1,MS2,…,MSK}；
(3) list M is obtainedi, SjSimilarity, i.e. coverage factor Sim (Mi, Sj)；
Calculation formula is as follows：
Wherein len (Mi) it is list MiIn contained keyword number, len (Sj) it is list SjIn contained keyword
Number；
(4) by coverage factor Sim (Mi, Sj) and take smaller value compared with 1, this smaller value is examination content to finishing
Industry requires the coverage B of index pointj。
Specifically, based on vocabulary spacing from similarity calculating method establish exist《Chinese thesaurus》Language semantic knowledge
On dictionary.According to《Chinese thesaurus》In clump form tree, obtain between level and the vocabulary residing for two vocabulary
Distance.
Step 3：The education activities average achievement of all evaluation objects and the ratio of target achievement are calculated, it is A to make it, is obtained
Synthesis degree of reaching T to the education activities to index pointz=A × Bj；
Step 4：According to the synthesis degree of reaching of above-mentioned steps, according to this every subject corresponding to parameter point, according to teaching
Activity, by the product accumulation of the weight coefficient corresponding to every subject and its, obtains this and refers to the weight coefficient matrix of index point
Degree of the reaching evaluation of estimate of punctuate；
Step 5：Degree of the reaching evaluation of estimate threshold value of requirements for graduation index point is set, by the degree of reaching of the obtained index point
Evaluation of estimate is compared with threshold value, if degree of reaching evaluation of estimate is more than thresholding, then it is assumed that this requirements for graduation index point is reached, otherwise
Reach failure.
Specific embodiment
By the index point that each school formulates different majors for requirements for graduation, examination paper is all different, this reality
Example is applied with a branch of instruction in school of electrical engineering and it's automation major《The basic principles of Marxism》Exemplified by, illustrate present invention proposition
The ability that is included of the evaluation measure of the student ability degree of reaching based on Similarity of Words reach measurement pattern and energy
Power degree of reaching evaluation scheme.
Step 1：Analysis examination examination question extracts in examination paper per problem the coverage of requirements for graduation index point respectively
The keyword of requirements for graduation index point corresponding to mesh and course corresponding with the examination paper, forms its respective keyword rope
Draw list.
Requirements for graduation and examination content corresponding to course corresponding with the examination paper is as shown in table 1 below：
Table 1《The basic principles of Marxism》Index point and examination content
The keyword of index point 8.1 and 8.2 and exam question 1,2,3 obtains its keyword in extraction extraction table 1 respectively
Index list, as shown in table 2：
2 keyword index list of table
| Index point | Lists of keywords |
| S8.1(index point 8.1) | World outlook, outlook on life, meaning, influences |
| S8.2(index point 8.2) | China, sustainable development, science are personal |
| S12.2(index point 12.2) | Autonomous learning, importance, understanding |
| M1(examination examination question 1) | World outlook, outlook on life, university student, meaning |
| M2(examination examination question 2) | Science, country, productivity |
| M3(examination examination question 3) | Sustainable development, university student is personal, ideal and faith |
Basis at the same time《Chinese thesaurus》Each list element is encoded, as shown in table 3：
3 keyword the encoding list of table
| Index point | Lists of keywords |
| S8.1(index point 8.1) | Df14, Df01, Db06, Je02 |
| S8.2(index point 8.2) | Di02, Dd01, De04, Aa01 |
| S12.2(index point 12.2) | Hg08, Ed28, Ga08 |
| M1(examination examination question 1) | Df14, Df01, Ae13, Db06 |
| M2(examination examination question 2) | De04, Di02, Dd14 |
| M3(examination examination question 3) | Dd01, Ae13, Aa01, Df01 |
Step 2：Keyword index list based on vocabulary spacing from metric calculation per pass exam question and each index point
Similarity, the similarity result for all examination paper and the index of adding up, takes smaller value by the result of gained compared with 1, that is, obtains
Coverage factor B of the examination paper to the index pointj。
(1) according to the semantic similarity calculation method of distance between word-based, it is similar to each index point that each road examination paper are obtained
Spend matrix MiSj, it is as follows：
α=1/8,2/8,3/8 ... 8/8 is substituted into above-mentioned matrix respectively, by experiment with computing repeatedly, show that α=3/8 can be more
Reflect coverage situation exactly, therefore take α=3/8 to substitute into above-mentioned matrix MiSjIt can obtain：
(2) maximal sequence value matrix maxM is calculatediSj；
(3) list M is obtainedi, Sj| similarity, i.e. coverage factor Sim (Mi, Sj), and by coverage factor Sim (Mi,
Sj) and smaller value is taken compared with 1, this smaller value is coverage degree B of the examination content to requirements for graduation index pointj。
The coverage factor of index point 8.1 is summed, by summed result compared with 1 per problem according to examination paper
Take smaller value
Sim(M1, S8.1)+Sim(M2, S8.1)+Sim(M3, S8.1The ＞ of)=1.77 1
Therefore the examination content is to the coverage B of index point 8.18.1For 1.
The coverage of index point 8.2 is summed per problem according to examination paper, summed result is taken compared with 1 compared with
Small value
Sim(M1, S8.2)+Sim(M2, S8.2)+Sim(M3, S8.2The ＞ of)=1.89 1
Therefore the examination content is to the coverage B of index point 8.28.2For 1.
The coverage of index point 12.2 is summed per problem according to examination paper, summed result is taken compared with 1 compared with
Small value
Sim(M1, S12.2)+Sim(M2, S12.2)+Sim(M3, S12.3The ＜ of)=0.883 1
Therefore the examination content is to the coverage B of index point 12.212.2For 0.883.
Step 3：The education activities average achievement of all evaluation objects and the ratio of target achievement are calculated, it is A to make it, is obtained
To the education activities to the comprehensive Delta of index point or degree Tz=A × Bj：
It is computed selected sample class《The basic principles of Marxism》The average achievement of this subject is 79 points, target
Achievement is 100 points, can obtain A=0.79.The education activities are understood through above-mentioned steps《The basic principles of Marxism》To index point
8.1 degree of reaching composite factor Tz：
Tz=A × B8.1
=0.79 × 1=0.79
The education activities《The basic principles of Marxism》Degree of reaching evaluation of estimate to index point 8.1 is 0.79.
Education activities《The basic principles of Marxism》To degree of the reaching composite factor T of index point 8.2z：
Tz=A × B8.2
=0.79 × 1=0.79
The education activities《The basic principles of Marxism》Degree of reaching evaluation of estimate to index point 8.2 is 0.79.
Education activities《The basic principles of Marxism》To degree of the reaching composite factor T of index point 12.2z：
Tz=A × B12.2
=0.79 × 0.883=0.6976
The education activities《The basic principles of Marxism》Degree of reaching evaluation of estimate to index point 12.2 is 0.6976.
Step 4：Weight coefficient matrix according to education activities to index point, by the weight corresponding to every subject and its
The product accumulation of coefficient, obtains degree of the reaching evaluation of estimate of the index point.
Education activities according to the electrical engineering and it's automation major can must support the weight coefficient matrix of index point
Three subjects of index point 8.1 are respectively《The basic principles of Marxism》,《Modern and Contemporary Chinese History outline》,《Chinese modern
Survey will》, its weight coefficient is respectively 0.3,0.4,0.3.Reaching for course corresponding to index point 8.1 can be drawn according to such scheme
It is as shown in table 4 into degree situation：
4 index point 8.1 of table reaches evaluation
Four subjects of support index point 8.2 are respectively《The basic principles of Marxism》,《Cultivation of Ethic Thought and law
Basis》,《Modern and Contemporary Chinese History outline》,《Social practice》Its weight coefficient is respectively 0.3,0.3,0.2,0.2.According to above-mentioned side
Case can show that degree of the reaching situation of course corresponding to index point 8.2 is as shown in table 5：
5 index point 8.2 of table reaches evaluation
Four subjects of support index point 12.2 are respectively《The basic principles of Marxism》,《University student's career development with
Careers guidance》,《Graduation project》,《College English》Its weight coefficient is respectively 0.3,0.3,0.2,0.2.Can according to such scheme
Show that degree of the reaching situation of course corresponding to index point 12.2 is as shown in table 6：
6 index point 12.2 of table reaches situation
Step 5：If requirements for graduation index point degree of the reaching threshold value of the major setting is 0.7, from the above results, finish
Industry life has been reached on the ability of index point 8.1,8.2, and then reaches failure on index point 12.2.
Claims (2)
1. a kind of student ability degree of reaching evaluation measure based on Similarity of Words, comprises the following steps：
Step 1：Analysis examination examination question to the coverage of requirements for graduation index point, extract respectively in examination paper per pass topic with
And the keyword of requirements for graduation index point corresponding to course corresponding with the examination paper, form its respective keyword index row
Table；
Step 2：Based on vocabulary spacing from metric calculation per pass exam question and the phase of the keyword index list of each index point
Like degree, add up all examination paper and the similarity result of the index, and the result of gained is taken smaller value compared with 1, that is, is taken an examination
Coverage factor B of the paper to the index pointj；
Step 3：The education activities average achievement of all evaluation objects and the ratio of target achievement are calculated, it is A to make it, is somebody's turn to do
Synthesis degree of reaching T of the education activities to index pointz=A × Bj；
Step 4：Weight coefficient matrix according to education activities to index point, by the weight coefficient corresponding to every subject and its
Product accumulation, obtain degree of the reaching evaluation of estimate of the index point；
Step 5：Degree of the reaching evaluation of estimate threshold value of requirements for graduation index point is set, the degree of reaching of the obtained index point is evaluated
Value is compared with threshold value, if degree of reaching evaluation of estimate is more than threshold value, then it is assumed that this requirements for graduation index point is reached, and otherwise reaches
Failure.
2. student ability degree of the reaching evaluation measure according to claim 1 based on Similarity of Words, it is special
Sign is：The step 2 concretely comprises the following steps：
(1) per pass exam question and the similarity of the keyword index list of each index point are calculated；
The keyword index list M of exam question i in examination contentiSet of words is { Wi1, Wi2..., Win, requirements for graduation
The keyword index list S of index point jjSet of words is { Wj1, Wj2..., Wjm, thus obtain the similarity moments of two lists
Battle array MiSjCalculation formula：
Wherein, Wi1Wj2For list MiMiddle word Wi1With list SjMiddle word Wj2Similarity, Wi1Wj2Calculation formula is as follows：
<mrow>
<msub>
<mi>W</mi>
<mrow>
<mi>i</mi>
<mn>1</mn>
</mrow>
</msub>
<msub>
<mi>W</mi>
<mrow>
<mi>j</mi>
<mn>2</mn>
</mrow>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<mi>&alpha;</mi>
<mo>&times;</mo>
<mrow>
<mo>(</mo>
<msub>
<mi>l</mi>
<mi>i</mi>
</msub>
<mo>+</mo>
<msub>
<mi>l</mi>
<mi>j</mi>
</msub>
<mo>)</mo>
</mrow>
</mrow>
<mrow>
<mo>&lsqb;</mo>
<mi>D</mi>
<mi>i</mi>
<mi>s</mi>
<mrow>
<mo>(</mo>
<msub>
<mi>W</mi>
<mrow>
<mi>i</mi>
<mn>1</mn>
</mrow>
</msub>
<mo>,</mo>
<msub>
<mi>W</mi>
<mrow>
<mi>j</mi>
<mn>2</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mi>&alpha;</mi>
<mo>&rsqb;</mo>
<mo>&times;</mo>
<mi>max</mi>
<mrow>
<mo>(</mo>
<mo>|</mo>
<mrow>
<msub>
<mi>l</mi>
<mi>i</mi>
</msub>
<mo>-</mo>
<msub>
<mi>l</mi>
<mi>j</mi>
</msub>
</mrow>
<mo>|</mo>
<mo>,</mo>
<mn>1</mn>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
</mrow>
Wherein li, ljIt is Wi1Wj2Residing level respectively, Dis (Wi1, Wj2) distance between word, α is customized parameter, 0 ＜ α
＜ 1；
(2) maximal sequence value matrix maxM is calculatediSj；
Matrix M is taken firstiSjThe maximum MS of middle element1It is put into sequence maxMiSjIn, then by the row and column where this maximum
Delete, form new matrix, maximum MS is further taken out in new matrix2It is placed on sequence maxMiSjIn MS1Afterwards, so circulation
Until matrix is sky, maximum value sequence maxM is obtainediSj：
maxMiSj={ MS1, MS2..., MSK}；
(3) list M is obtainedi, SjSimilarity, i.e. coverage factor Sin (Mi, Sj)；
Calculation formula is as follows：
<mrow>
<mi>S</mi>
<mi>i</mi>
<mi>m</mi>
<mrow>
<mo>(</mo>
<msub>
<mi>M</mi>
<mi>i</mi>
</msub>
<mo>,</mo>
<msub>
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</msub>
<mo>)</mo>
</mrow>
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<mrow>
<mi>max</mi>
<mrow>
<mo>(</mo>
<mi>l</mi>
<mi>e</mi>
<mi>n</mi>
<mo>(</mo>
<msub>
<mi>S</mi>
<mi>j</mi>
</msub>
<mo>)</mo>
<mo>,</mo>
<mi>l</mi>
<mi>e</mi>
<mi>n</mi>
<mo>(</mo>
<msub>
<mi>M</mi>
<mi>i</mi>
</msub>
<mo>)</mo>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<msubsup>
<mo>&Sigma;</mo>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mi>k</mi>
</msubsup>
<msub>
<mi>MS</mi>
<mi>i</mi>
</msub>
</mrow>
Wherein len (Mi) it is list MiIn contained keyword number, len (Sj) it is list SjIn contained keyword number；
(4) by coverage factor Sim (Mi, Sj) and take smaller value compared with 1, this smaller value is that examination content will to graduation
Seek the coverage B of index pointj。
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